Researchers at this university stumbled upon this trapdoor species, but originally believed it to be Aptostichus simu s. Upon further analysis, they realized that though they appeared to be identical, ...

Scientists at the University of California, Davis, have discovered a new species of trapdoor spider lurking in California’s coastal sand dunes. The newly identified Aptostichus ramirezae is a close ...

The new species is a kind of trapdoor spider, a spider known for creating borrows underground with hinged doors.

Scientists discovered a new kind of trapdoor spider under California’s sand dunes, showing how isolation helps spiders evolve ...

Hidden beneath California’s coastal dunes, a newly identified spider species — Aptostichus ramirezae — reveals how evolution ...

In western Australia, in a patch of ancient forest undisturbed by people, researchers set up pitfall traps with the goal of collecting elusive spiders. Their survey yielded two rare female specimens ...

The new spiders were identified as Aptostichus ramirezae. They're a new type of trapdoor spider, and live in California coastal sand dunes.

Scientists at the University of California, Davis, have discovered a new species of trapdoor spider lurking in California's coastal sand dunes. The newly identified Aptostichus ramirezae is a close ...